Holographic colour prints for enhanced optical security by combined phase and amplitude control
Here, the authors fabricate a device that integrates multiple computer-generated holograms into a single colour print. Under white light, a colour image is seen, whereas illumination with a red, green, or blue beam from a handheld laser pointer projects three different holograms onto a distant scree...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Nature Publishing Group
2019-01-01
|
| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-018-07808-4 |